Calliergon giganteum (Schimp.) Kindb.

Photo taken by Li Zhang

CHINA. INNER MONGOLIA. Hulunbei’er. Swamp at milestone 145 km of the highway from Genhe to Mangui. N 51° 44' 03.4”, E 121° 49' 50.9”, aquatic in water, 684 m., July 12, 2010, Li Zhang 7419 (voucher in SZG)